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Study on the visible-light photocatalytic performance of Ag3PO4/Cu2O composite

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Abstract

Ag3PO4/Cu2O composites were prepared by a facile wet chemical method. The specimens were examined by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and UV–Vis diffuse reflectance spectroscopy. The specimens exhibited an excellent photocatalytic activity on the degradation of RhB than pure Ag3PO4 and Cu2O. Furthermore, the photocatalyst specimen was found to exhibit higher efficiency in hydrogen conversion. It was found that a 30 wt% Ag3PO4-loaded specimen showed an excellent hydrogen generation performance. The excellent photocatalytic activity was ascribed to the separation of e–h pairs via the Z-scheme method composed of Ag, Ag3PO4 and Cu2O. This study demonstrated the potential approach to the photocatalytic splitting water to release hydrogen as well as the environmental purification of organic pollutants under visible-light irradiation.

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Acknowledgements

The present work is supported by the National Natural Science Foundation of China (No. 51472123).

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Authors and Affiliations

  1. School of Physics and Optoelectronic Engineering, Nanjing University of Information Science & Technology, No. 219 Ning Liu Road, Nanjing, 210044, China

    Kun Zhong & Jing Su

  2. Jiangsu Key Laboratory for Optoelectronic Detection of Atmosphere and Ocean, Nanjing University of Information Science & Technology, No. 219 Ning Liu Road, Nanjing, 210044, China

    Kun Zhong & Jing Su

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  1. Kun Zhong
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  2. Jing Su
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Correspondence to Kun Zhong.

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Zhong, K., Su, J. Study on the visible-light photocatalytic performance of Ag3PO4/Cu2O composite. Res Chem Intermed 45, 1207–1216 (2019). https://doi.org/10.1007/s11164-018-3662-z

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  • DOI: https://doi.org/10.1007/s11164-018-3662-z

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